NDLI: A Distributed Mode Selection Scheme for Device-to-Device Communications

Content Provider	Springer Nature Link
Author	Xu, Yanli
Copyright Year	2015
Abstract	The introduction of device-to-device (D2D) communication may provide higher energy efficiency and spectrum efficiency to the traditional cellular network. One important question coming out of this introduction is how to select the transmission mode for user equipment (UE). In this work, we investigate the mode selection problem in a distributed way which gives a rule for determining the transmitter to use cellular transmission or D2D transmission. Firstly, the link performances are analyzed for UE under cellular transmission mode and D2D transmission mode, respectively, and closed-form expressions are presented. Then the optimum mode selection metric is derived to maximize the successful transmission probability for the transmission link. Lastly, a distributed mode selection scheme is proposed which can determine the transmission mode by UE itself without frequent information exchanges. In addition, the link performance can be optimized by using this scheme. Simulation results show that the link performance is dependent on many wireless environment factors such as numbers of existing D2D links and cellular links, channel quality, decoding threshold at the receiver and power control. However, the optimum link performance can be achieved by the proposed scheme under these different deployment conditions and wireless environments. Compared with the random mode selection methods, the proposed scheme can at most improve the link performance by seven times .
Starting Page	639
Ending Page	655
Page Count	17
File Format	PDF
ISSN	09296212
Journal	Wireless Personal Communications
Volume Number	90
Issue Number	2
e-ISSN	1572834X
Language	English
Publisher	Springer US
Publisher Date	2015-12-02
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Next generation mobile network Device-to-device (D2D) communication Mode selection Distributed scheme Communications Engineering, Networks Signal, Image and Speech Processing Computer Communication Networks
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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